000 00262nam a2200121Ia 4500
008 220201s1962 xx 000 0 eng d
082 _a624.1042
_bDUT
100 _aDutta, BN
245 0 _aEstimating & costing
260 _c1962
300 _a524
942 _2ddc
999 _c71590
_d71590